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高比表面积石墨烯的超低温热膨胀制备方法
Authors
张好斌
郑文革
陈操
Publication date
5 January 2011
Publisher
Abstract
本发明公开了高比表面积石墨烯的超低温热膨胀制备方法,包括如下步骤:在真空度0pa~1000pa下,将氧化石墨升温到80℃~150℃,维持恒温0.1小时~24小时,氧化石墨体积膨胀而发生剥离,得到比表面积为300m2/g~1200m2/g的石墨烯。与现有技术相比,本发明的制备方法在低热膨胀温度下得到了具有高比表面积的石墨烯,其碳元素与氧元素的摩尔比值在4~15的范围可调节;另外,该方法操作简单易行、适用于大规模生产
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Last time updated on 22/01/2018